Home / 36,075.80-49,785.67-20,160.29

Finding the Fourth Proportional to 36,075.80, 49,785.67 and 20,160.29

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Solution

The fourth proportional to 36,075.80, 49,785.67 and 20,160.29 is: 27,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.80 : 49,785.67 = 20,160.29 : x
  2. Step 2: Convert to fraction form
    36,075.80/49,785.67 = 20,160.29/x
  3. Step 3: Cross multiply
    36,075.80x = 49,785.67 × 20,160.29
  4. Step 4: Simplify right side
    36,075.80x = 1,003,693,694.71
  5. Step 5: Solve for x
    x = 1,003,693,694.71/36,075.80
  6. Step 6: Final answer
    x = 27,821.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.